Virgin River Domestic Wastewater Improvement District

NPDES permit AZ0023655 · Minor NON-POTW · effective, expires 2031-07-15 · EPA's file as of 2026-09-26

Keep this permit as a site — opens New site at EPA's facility point (36.9014, -113.929); you set the radius.

Check this month's numbers before you file
Watch this permit — $79 a month. Every Monday, from EPA's newest files: the next report due and when, whether EPA's file holds your last one, any change to this permit's limits or status, and the renewal date.

These are the last limits EPA's file holds for this permit, from an earlier version of it (version 3 in EPA's file): its current version carries none yet. Read your permit: a renewal can change them.

EPA's record, 2025-09-01 to 2026-08-31

0values over a limit
0required values missing, on 0 form(s)
0of 27 forms filed late

Last period with anything received: 2026-06-30.

Reporting

Reports are due about 30 days after each monitoring period ends (the most common figure among AZ permits in EPA's filings — check your permit).

How strict are these limits?

Each concentration limit against the same limit in comparable permits. Where it appears more than once, its strictest value.

4 other limits: fewer than 20 comparable permits.

Limits in force (114)

OutfallParameterStatisticLimitMonths
001Temperature, water deg. centigradedaily maximum report only all year
001Temperature, water deg. centigradedaily maximum report only all year
001Temperature, water deg. centigradedaily maximum report only all year
001Oxygen, dissolved [DO]daily maximum report only all year
001BOD, 5-day, 20 deg. Cmonthly average <= 30 mg/L all year
001BOD, 5-day, 20 deg. Cweekly average <= 45 mg/L all year
001BOD, 5-day, 20 deg. Cdaily maximum report only all year
001BOD, 5-day, 20 deg. Cmonthly average <= 4.2 kg/d all year
001BOD, 5-day, 20 deg. Cweekly average <= 6.2 kg/d all year
001pHminimum >= 6.5 SU all year
001pHminimum report only all year
001pHmaximum <= 9 SU all year
001pHmaximum report only all year
001pHminimum report only all year
001pHminimum report only all year
001pHmaximum report only all year
001pHmaximum report only all year
001Solids, total suspendedmonthly average <= 30 mg/L all year
001Solids, total suspendedweekly average <= 45 mg/L all year
001Solids, total suspendeddaily maximum report only all year
001Solids, total suspendedmonthly average <= 4.2 kg/d all year
001Solids, total suspendedweekly average <= 6.2 kg/d all year
001Oil & Greasemonthly average <= 10 mg/L all year
001Oil & Greasedaily maximum <= 15 mg/L all year
001Oil & Greasemonthly average <= 1.4 kg/d all year
001Oil & Greasedaily maximum <= 2.1 kg/d all year
001Nitrogen, ammonia total [as N]monthly average <= 1 Ratio all year
001Nitrogen, ammonia total [as N]daily maximum <= 2 Ratio all year
001Nitrogen, ammonia total [as N]daily maximum report only all year
001Nitrogen, Kjeldahl, total [as N]daily maximum report only all year
001Nitrite + Nitrate total [as N]daily maximum report only all year
001Phosphorus, total [as P]daily maximum report only all year
001Cyanide, total [as CN]monthly average report only all year
001Cyanide, total [as CN]daily maximum report only all year
001Cyanide, total [as CN]daily maximum report only all year
001Sulfide, total [as S]monthly average report only all year
001Sulfide, total [as S]daily maximum report only all year
001Hardness, total [as CaCO3]monthly average report only all year
001Hardness, total [as CaCO3]daily maximum report only all year
001Hardness, total [as CaCO3]daily maximum report only all year
001Arsenic, total recoverabledaily maximum report only all year
001Iron, total recoverabledaily maximum report only all year
001Selenium, total recoverablemonthly average <= 2 ug/L all year
001Selenium, total recoverabledaily maximum <= 3 ug/L all year
001Selenium, total recoverabledaily maximum report only all year
001Selenium, total recoverablemonthly average <= .2 g/d all year
001Selenium, total recoverabledaily maximum <= .5 g/d all year
001Thallium, total recoverabledaily maximum report only all year
001Beryllium, total recoverable [as Be]daily maximum report only all year
001Nickel, total recoverabledaily maximum report only all year
001Silver total recoverablemonthly average <= 13.3 ug/L all year
001Silver total recoverabledaily maximum <= 26.7 ug/L all year
001Silver total recoverabledaily maximum report only all year
001Silver total recoverablemonthly average <= 1.84 g/d all year
001Silver total recoverabledaily maximum <= 3.69 g/d all year
001Zinc, total recoverablemonthly average <= 154 ug/L all year
001Zinc, total recoverabledaily maximum <= 332 ug/L all year
001Zinc, total recoverabledaily maximum report only all year
001Zinc, total recoverablemonthly average <= 21.3 g/d all year
001Zinc, total recoverabledaily maximum <= 46 g/d all year
001Cadmium, total recoverabledaily maximum report only all year
001Lead, total recoverablemonthly average report only all year
001Lead, total recoverabledaily maximum report only all year
001Lead, total recoverabledaily maximum report only all year
001Chromium, total recoverablemonthly average report only all year
001Chromium, total recoverabledaily maximum report only all year
001Chromium, total recoverabledaily maximum report only all year
001Copper, total recoverablemonthly average <= 17 ug/L all year
001Copper, total recoverabledaily maximum <= 43 ug/L all year
001Copper, total recoverabledaily maximum report only all year
001Copper, total recoverablemonthly average <= 2.4 g/d all year
001Copper, total recoverabledaily maximum <= 5.9 g/d all year
001Chromium, hexavalent dissolved [as Cr]monthly average <= 8 ug/L all year
001Chromium, hexavalent dissolved [as Cr]daily maximum report only all year
001Chromium, hexavalent dissolved [as Cr]daily maximum <= 16 ug/L all year
001Chromium, hexavalent dissolved [as Cr]monthly average <= 1.1 g/d all year
001Chromium, hexavalent dissolved [as Cr]daily maximum <= 2.2 g/d all year
001Antimony, total recoverabledaily maximum report only all year
001Dichlorobromomethanedaily maximum report only all year
001Dibromochloromethanedaily maximum report only all year
001Di[2-ethylhexyl] phthalate [DEHP]monthly average report only all year
001Di[2-ethylhexyl] phthalate [DEHP]daily maximum report only all year
001Di[2-ethylhexyl] phthalate [DEHP]daily maximum report only all year
001Flow, in conduit or thru treatment plantmonthly average report only all year
001Flow, in conduit or thru treatment plantdaily maximum report only all year
001Chlorine, total residualmonthly average <= 9 ug/L all year
001Chlorine, total residualdaily maximum <= 18 ug/L all year
001Chlorine, total residualdaily maximum report only all year
001Chlorine, total residualmonthly average <= 1.2 g/d all year
001Chlorine, total residualdaily maximum report only all year
001E. coli, colony forming units [CFU]monthly average <= 126 CFU/100mL all year
001E. coli, colony forming units [CFU]daily maximum report only all year
001E. coli, colony forming units [CFU]daily maximum <= 235 CFU/100mL all year
001Solids, total dissolveddaily maximum report only all year
001Solids, total dissolveddaily maximum report only all year
001Hydrogen sulfidemonthly average report only all year
001Hydrogen sulfidedaily maximum report only all year
001Mercury, total recoverablemonthly average <= .007 ug/L all year
001Mercury, total recoverabledaily maximum report only all year
001Mercury, total recoverabledaily maximum <= .003 ug/L all year
001Mercury, total recoverablemonthly average <= .0009 g/d all year
001Mercury, total recoverabledaily maximum <= .003 g/d all year
001BOD, 5-day, percent removalmonthly average minimum >= 85 % all year
001Solids, suspended percent removalmonthly average minimum >= 85 % all year
001TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum)monthly median report only all year
001TU Static 4 Day Chronic Raphidocelis subcapitata (formerly Selenastrum capricornutum)daily maximum report only all year
001TU Static Renewal 7-Day Chronic Ceriodaphnia dubiamonthly median report only all year
001TU Static Renewal 7-Day Chronic Ceriodaphnia dubiadaily maximum report only all year
001TU Static Renewal 7-Day Chronic Pimphales promelasmonthly median report only all year
001TU Static Renewal 7-Day Chronic Pimphales promelasdaily maximum report only all year
INFBOD, 5-day, 20 deg. Cmonthly average report only all year
INFBOD, 5-day, 20 deg. Cweekly average report only all year
INFSolids, total suspendedmonthly average report only all year
INFSolids, total suspendedweekly average report only all year

Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states